3Com RMON-EMP-3 Support from Your Network Supplier, Email Technical Support, World Wide Web Site

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Email Technical Support

You can contact the Integrated Systems Division (formerly Chipcom) on the Internet for technical support using the e-mail address techsupp@chipcom.com.

World Wide Web Site

You can access the latest networking information on the 3Com World Wide Web site by entering our URL into your Internet browser:

http://www.3Com.com/

This service features news and information about 3Com products, customer service and support, the 3Com latest news releases, selected articles from 3TECH™, the 3Com award-winning technical journal, and more.

You can contact the Integrated Systems Division on the World Wide Web by entering our URL into your Internet browser:

http://www.chipcom.com/

There are links between both WWW pages to view information from all 3Com divisions.

Support from Your Network Supplier

If additional assistance is required, contact your network supplier. Many suppliers are authorized 3Com service partners who are qualified to provide a variety of services, including network planning, installation, hardware maintenance, application training, and support services.

B - 2 Ethernet RMON MultiProbe Module Installation and Operation Guide

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Contents Page VDE Class B Compliance Restricted Rights Page Contents Configuring the Module Troubleshooting Page Figures Page Tables Page How to Use This Guide AudienceStructure of This Guide Usr/snm/agents Document ConventionsConvention Indicates Example Related Documents 3Com Documents Reference Documents Introduction Rmon Probe Rmon OverviewRmon Architecture Ethernet Rmon Groups Rmon ClientPage Rmon MultiProbe Module Overview Rmon MultiProbe Module Features Other benefits of the Rmon MultiProbe Module include Theory of Operation Sample Application Rmon Sample ApplicationPage Installing the Module Precautionary Procedures Step Procedure Chapter/Section Quick InstallationQuick Installation Steps Unpacking Procedures Installing the Rmon MultiProbe Module Rmon MultiProbe Module ONline System Concentrator Connecting a Terminal Initializing the Rmon MultiProbe Module Main Configuration Menu Monitoring the Front Panel Rmon MultiProbe Module Front Panel LEDs and Reset Button Module LED Interpretations LED Name Color State IndicatesModule LED Interpretations Page Configuring the Module Configuration Menu Overview Configuration Menu Flow Chart Configuration Menu Flow Chart Modifying Configuration Menu Values Using the Main Configuration Menu Main Configuration Menu Main Configuration Menu Description Option ResultUsing the Download Menu Download MenuDownload Menu Description Using the Modify/View Configuration Values Menu Modify/View Configuration Values MenuModify/View Configuration Values Menu Description Using the Modify/View Serial Configuration Values Menu Modify/View Serial Configuration Values Menu Modify/View Serial Configuration Values Menu Description Display the modem init string and enables you Modem Init Strings and Hangup Strings Command ResultModem Init Strings and Hangup Strings Waits for the reply string that follows which is Response code Bps rate Modem Response StringsConnect Response String Example Using the Modify/View Network Settings Menu No Carrier /BUSY/NO DIALTONE/NO ANSWER/ERRORModify/View Network Settings Menu Modify/View Network Settings Menu Description Using the Modify/View Network Interface Settings Menus Modify/View Network Interface 1 Settings Menu Modify/View Network Interface Settings Menu Description Configuring the Module and Interfaces Assigning the Interface IP Address and Subnet MaskConfiguring the Module 3 Assigning the Module Default Gateway Bootp Configuration Process Using Bootp to Configure the Module and InterfacesBootp Description Sample BOOTPtab file Bootp RequirementsUsing Bootp Configuring the Module 3 Assigning Interfaces to Networks Using the DIP Switch to Assign Networks DIP Switch LocationNetwork Selection DIP Switch Settings Switch Network Selection SettingUsing Management Commands to Assign Interfaces to Networks Management Command Examples SET Port 7.1 Network ETHERNET1Saving Network Assignments Showing Module and Interface ConfigurationsShow Module Command Show Port Command Backplane Re-initializing the Rmon MultiProbe Module Warm-Starting the Rmon MultiProbe Module Information Preserved Information LostCold-Starting the Rmon MultiProbe Module Information Preserved Information Lost Page Troubleshooting Diagnostic Interface Troubleshooting Startup ProblemsDiagnostic Tests and Interface Status LEDs Symptom Possible Cause Corrective Action Troubleshooting MalfunctionsTroubleshooting Malfunctions Troubleshooting Malfunctions Troubleshooting Malfunctions If the LEDs Nvram Troubleshooting Network Connectivity Problems Technical Assistance Page Specifications Electrical Specifications Environmental SpecificationsMechanical Specifications General SpecificationsConnectors and Cables Interface ConfigurationRS-232 25-Pin Port Connector Pinouts PinRS-232 Crossover Cable for a PC or Terminal Modem Cable Pinouts Sample Out-of-Band ConnectionsPage Using the Rmon MultiProbe Module Slip Address Modem MultiProbe Module RS-232 Straight-Through CableTable A-2. RS-232 Straight-Through Cable Pinouts RS-232 Null-Modem Cable Figure A-3. RS-232 Straight-Through Cable PinoutsEthernet Table Maximum Number of Entries Memory Configuration AllocationTable A-3. Maximum Number of Entries for Ethernet Tables Technical Support On-line Technical SupportWorld Wide Web Site Support from Your Network SupplierEmail Technical Support Support from 3Com Accessing the 3Com MIB Returning Products for Repair3Com Technical Publications Page Index LEDs, 2-11 monitoring, 2-10 reset button ONcore Distributed Management Module Pinouts, A-5 speed, 3-15 Serial Port Mode VDE compliance Warm start Configuration information